Systematic noise analysis of a correlation radiometer front-end

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones
dc.contributor	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.contributor.author	Corbella Sanahuja, Ignasi
dc.contributor.author	Torres Torres, Francisco
dc.contributor.author	Camps Carmona, Adriano José
dc.contributor.author	Duffo Ubeda, Núria
dc.contributor.author	Vall-Llossera Ferran, Mercedes Magdalena
dc.contributor.author	Rautiainen, K.
dc.contributor.author	Colliander, A
dc.date	2004
dc.identifier.citation	Corbella, I. [et al.]. Systematic noise analysis of a correlation radiometer front-end. A: IEEE International Geoscience and Remote Sensing Symposium. "IGARSS 2004: IEEE International Geoscience and Remote Sensing Symposium proceedings: 20-24 September 2004: Anchorage, Alaska". Anchorage: Institute of Electrical and Electronics Engineers (IEEE), 2004, p. 2226-2229.
dc.identifier.citation	0-7803-8742-2
dc.identifier.citation	10.1109/IGARSS.2004.1370804
dc.identifier.uri	http://hdl.handle.net/2117/19673
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=1370804
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
dc.subject	Calibration
dc.subject	Microwave measurements
dc.subject	geophysical equipment
dc.subject	noise
dc.subject	radio receivers
dc.subject	radiometers
dc.subject	Calibratge
dc.subject	Microones -- Mesurament
dc.title	Systematic noise analysis of a correlation radiometer front-end
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	A complete systematic analysis of correlation radiometer front-ends is presented. It takes into account full noise characterisation of the individual receivers and mismatch effects between different subsystems. The results are applied to the case where the front-ends include input isolator both ideal and imperfect. Along with numerical simulations, simple formulas are given to compute the visibility in these conditions, which is here defined as system visibility. The analysis is validated using experimental results consisting of correlation measurements of four receivers placed inside an anechoic chamber. Good agreement between theoretical predictions and experimental data is observed
dc.description.abstract	Peer Reviewed

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